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With the significant advances in virtualization technology, Cloud compuing has been a new promising paradigm delivering IT services, as Gartner highlighed cloud compuing as one of Top 10 strategic technology trends since 2010. Recently, many companies and organizations are moving to a private cloud due to security and privacy, controlability, cost, and performance issues of public cloud. In this presentation, we introduce cloud compuing trend and architecture in terms of hypervisor and Cloud OS. Also, we discuss the way to build open source based private cloud infra based on our experiences for building our private Cloud. Especially, we deal with some technologies to improve performance by reducing virtualization overhead.

Youngjoo Han is a senior engineer in SW R&D center, Samsung Electronics. Currenly he is working for developing Cloud Infrastructure and performance optimization for latency-critical services. He obtained his Ph.D. from KAIST, Korea, and his main research areas are Cloud computing and large-scale distributed systems.